What's Going On? Attorneys need to hear from people affected by the Marquis data breach as they investigate whether a class action lawsuit can be filed.
What You Can Do If you believe your information may have been compromised in the Marquis data breach, fill out the form on this page to learn more about the investigation and how you can help.
Does This Cost Anything? It costs nothing to get in touch or to talk to someone about your rights.
Source: https://www.classaction.org/data-breach-lawsuits/marquis-software-solutions-november-2025
TPRM report: https://www.rankiteo.com/company/marquis-data
"id": "mar1764735810",
"linkid": "marquis-data",
"type": "Breach",
"date": "2025-12-02T00:00:00.000Z",
"severity": "85",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"{'incident': {'affected_entities': [{'customers_affected': None,
'industry': None,
'location': None,
'name': 'Marquis',
'size': None,
'type': 'Company'}],
'customer_advisories': 'Individuals affected are advised to fill '
'out a form to learn more about the '
'investigation and their rights.',
'data_breach': {'data_encryption': None,
'data_exfiltration': None,
'file_types_exposed': None,
'number_of_records_exposed': None,
'personally_identifiable_information': 'Yes',
'sensitivity_of_data': 'High',
'type_of_data_compromised': 'Personally '
'identifiable '
'information'},
'description': 'Attorneys are investigating whether a class '
'action lawsuit can be filed regarding the '
'Marquis data breach, which may have compromised '
"individuals' information.",
'impact': {'brand_reputation_impact': None,
'conversion_rate_impact': None,
'customer_complaints': None,
'data_compromised': 'Personally identifiable '
'information',
'downtime': None,
'financial_loss': None,
'identity_theft_risk': 'Possible',
'legal_liabilities': None,
'operational_impact': None,
'payment_information_risk': None,
'revenue_loss': None,
'systems_affected': None},
'initial_access_broker': {'backdoors_established': None,
'data_sold_on_dark_web': None,
'entry_point': None,
'high_value_targets': None,
'reconnaissance_period': None},
'investigation_status': 'Ongoing',
'post_incident_analysis': {'corrective_actions': None,
'root_causes': None},
'ransomware': {'data_encryption': None,
'data_exfiltration': None,
'ransom_demanded': None,
'ransom_paid': None,
'ransomware_strain': None},
'references': [{'date_accessed': None,
'source': 'Marquis Data Breach Investigation '
'Page',
'url': None}],
'regulatory_compliance': {'fines_imposed': None,
'legal_actions': 'Potential class '
'action lawsuit',
'regulations_violated': None,
'regulatory_notifications': None},
'response': {'adaptive_behavioral_waf': None,
'communication_strategy': None,
'containment_measures': None,
'enhanced_monitoring': None,
'incident_response_plan_activated': None,
'law_enforcement_notified': None,
'network_segmentation': None,
'on_demand_scrubbing_services': None,
'recovery_measures': None,
'remediation_measures': None,
'third_party_assistance': None},
'title': 'Marquis Data Breach Investigation',
'type': 'Data Breach'}}